Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed / Direct Mount
Now simplified with a single derailleur cage length, the 12-speed Shimano Ultegra R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option. With our fastest, most accurate shifting, the 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks...
Sram Force eTap AXS D1 Rear Derailleur - 12 Speed - Black / 12 Speed / Medium Cage / 36T
Fast, precise rear shifting is now more attainable than ever. Whether you ride 2x or 1x, tarmac or gravel, the Sram Force eTap AXS rear derailleur is up for the task. It features Orbit damper technology for quiet, secure chain management over rough roads and capitalizes on larger X-SYNC pulleys for improved...
Sram Force AXS D2 XPLR Rear Derailleur - 12 Speed - Iridescent / 12 Speed
The epitome of grit and glamour, the XPLR rear derailleur sparkles no matter the conditions. A dedicated 1x-specific unit designed for use with a 10-44T or 10-36T cassette, it makes for an uncluttered drivetrain that takes on pavement and singletrack with equal aplomb. Wireless and proven eTap shift...
Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed
Now simplified with a single derailleur cage length, the 12-speed Shimano Ultegra R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option. With our fastest, most accurate shifting, the 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks...
Sram Red eTap AXS D1 Rear Derailleur - 12 Speed - Black / 12 Speed / Max 33T
The heart of the connected cadre. The Sram Red eTap AXS™ rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors and signals,...
Greek for a statue that is larger than the original, Kolossos is a fitting name for this oversized pulley cage. Designed to deliver maximum drivetrain performance, the Kolossos Oversized Pulley Cage will enable you to go faster with less effort. It does so by introducing lower drivetrain friction,...
Shimano Dura-Ace R9250 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed
Shimano fastest ever shifting across Shimano's widest ever Dura-Ace gear range, the RD-R9250 is capable of both race wins and personal bests. The Shimano Dura-Ace R9250 Rear Derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise...
Shimano Dura Ace R9150 Di2 Rear Derailleur - 11 Speed - Black / 11 Speed / Short Cage SS
Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency. Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and...